ἐμπυρισμός
From LSJ
Ἀμήχανον δὲ παντὸς ἀνδρὸς ἐκμαθεῖν ψυχήν τε καὶ φρόνημα καὶ γνώμην πρὶν ἂν ἀρχαῖς τε καὶ νόμοισιν ἐντριβὴς φανῇ → It is impossible to know the spirit, thought, and mind of any man before he be versed in sovereignty and the laws
English (LSJ)
ὁ,
A = ἐμπρησμός (less Att., acc. to Phryn.313), Hyp. Lyc.Fr.4, Plb.9.41.5, LXXLe.19.6, Mon.Anc.Gr.19.8, Ath.Mech.12.6; burning of weeds, PSI4.338.7, al. (iii B. C.).